Add 84/9 and 54/7
1st number: 9 3/9, 2nd number: 7 5/7
84/9 + 54/7 is 358/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
84/9 = 84 × 7/9 × 7 = 588/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
54/7 = 54 × 9/7 × 9 = 486/63 - Add the two like fractions:
588/63 + 486/63 = 588 + 486/63 = 1074/63 - 1074/63 simplified gives 358/21
- So, 84/9 + 54/7 = 358/21
In mixed form: 171/21
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